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In Reply to: Are the sonic benefits of clock-syncing signficant? posted by High-end Dreamer on March 23, 2002 at 19:31:45:
In a professional enviroment it is absolutely imperative that there is only one master clock source, or you are asking for trouble. With the advent of digital desks, linked to computer digital outputs and then DAT machines and possible peripherals (reverbs, ect) the decision is usually based on the possible clock source. A lot of rubbish is talked about low jitter clocks, any manufacturer worth his salt uses low jitter devices. In the aforementioned scenario, it is likely that the Desk would have to be the master clock source, as some of the peripherals are unlikely to be connected direct. I've just bought a 24bit 96khz AD encoder from a firm called RME, not a cheap unit, but in professional terms at the lower end of the cost scale, and both the subjective performance, alongside the technical performance can match the best in the business. I'm not a lover of Prism converters, as the only recordings I've heard made on them sounded a little "brittle" but they have many advocates.Regards
Roland Clarke
Follow Ups:
I noticed that a lot of mastering pros seem to like Weiss digital gear, such as their EQ1 and their DS1 limiter/compressor, but these units do not have the capability to be clock-synced. Would digital EQ and compressors fall under the same umbrella as far as your post above is concerned...? Or are there scenarios where, in mastering studios, units like these could be installed in ways that syncing to one clock is not really necessary? (From your post, I'm guessing your answer would be that they would be better off to be synced to one clock under all scenarios, but I'm trying to make sure.)Thanks -
Mike
All gear "sync's" to digital clock. If its in the digital domain it has to. There is always something that is being seen as the master. Weiss gear is well considered, but there are plenty of other great pieces of mastering kit out there. Your question is really asked the wrong way round. If you don't have clock syncing you have major problems, that are definitely audible. In my studio, I have a Sadie mastering system, that I leave set to automatic. That way if it recieves master clocking it slaves, if not it acts as master. If you get clock problems it doesn't take much to hear it, usually starts with odd clicks then moves on to distortion. In the case of a CD player with a external DA convertor, I would expect your DA convertor to be the clock source, although it will probably be buffering the data anyway.Regards
Roland
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